San Marcos Vernal Pool Checklist ... area is bounded by S. Pacific Street on the west, S. LasPosas Drive on the east, La Mirada Drive on the north, and ... ), a rare herb in the mint family (Lamiaceae) found in clay soils near the San Marcos vernal pools. This endemic species has been ... decades, mostly due to the construction of extensive housing developments on LasPosassoils. Both species are on the CNPS List 1B: Rare, threatened and ... waynesword.palomar.edu

San Marcos Mountains ... igneous rock that weathers and oxidizes into reddish LasPosassoils. Some of the most interesting endemic plants in San Diego Country occur on these soils. The crest of the San Marcos Mountains ... Fruits Of The Strawberry Tree Tetracoccus dioicus (Euphorbiaceae), a dioecious shrub that typically grows on LasPosassoils in San Diego County. The leaves are opposite or 3-whorled with linear or ... waynesword.palomar.eduMore from this site